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naobsd>
who has responsibility to run savedefconfig for multi_v7_defconfig?
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naobsd>
on MXQ 4K RK3229 box, there are pin(hole)s for UART2
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naobsd>
by default, it generates garbages
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naobsd>
but now I can see proper outputs with linux-next kernel
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naobsd>
it seems matter of software configuration
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naobsd>
but it's not perfect yet
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naobsd>
if I set 'CMDLINE:console=tty0 console=ttyS1,115200n8 console=ttyS2,115200n8 mtdparts=(snip)' uart2 works
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naobsd>
but if I changed order of console=XXX, it doesn't work :(
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naobsd>
[ 1.173492] rockchip-drm display-subsystem: No connectors reported connected with modes
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naobsd>
ah there is no i2c.. no hdmi ddc yet
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naobsd>
[ 1.772410] mmc_host mmc0: Bus speed (slot 0) = 1160156Hz (slot req 400000Hz, actual 290039HZ div = 2)
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naobsd>
it needs more work ;)
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naobsd>
RK u-boot config for rk322x: CONFIG_SYS_EXTRA_OPTIONS="RKCHIP_RK322X,PRODUCT_BOX,BAUDRATE=1500000,SECOND_LEVEL_BOOTLOADER"
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naobsd>
if I remove BAUDRATE=1500000, I can see u-boot outputs properly
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naobsd>
(DDR init part is still broken)
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naobsd>
ok, I added chosen { stdout-path = "serial2:115200n8"; }; to rk3228-evb.dts, now I can see u-boot/kernel outputs on UART2 properly
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naobsd>
with RK u-boot without BAUDRATE=1500000
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naobsd>
ok, mmc is not working ;) (at least card-detect)
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naobsd>
a lot of work need to be done for rk322x ;)
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naobsd>
(no time for now)
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mmind00>
naobsd: if I remember correctly there can always only be one console per output type (= one console=ttyS?, one console=tty? etc)
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naobsd>
mmind00: I didn't know "one console per output type"
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naobsd>
at least I can see output on ttyS2 with CMDLINE:console=tty0 console=ttyS1 console=ttyS2 ..."
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naobsd>
anyway now single console configuration "CMDLINE:console=ttyS2 ..." just work with chosen { stdout-path... }
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naobsd>
probably something is configured wrongly with BAUDRATE=1500000 u-boot
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naobsd>
and it needs two ttyS? to configure something usable
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naobsd>
I have no idea what's BAUDRATE=1500000 for... maybe jtag?
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naobsd>
I still cannot see outputs from DDR init -> miniloader -> trust :(
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naobsd>
they are binary blobs, I cannot fix them
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naobsd>
it seems psci is working in RK stock binaries for rk322x
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naobsd>
probably there is something in secure world
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naobsd>
I'm not sure everything can be configured with mainline kernel on top with RK blobs
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naobsd>
maybe I should prepare mainline u-boot for rk322x and run it instead of miniloader/trust
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naobsd>
ah I remembered that RK u-boot can be built as first level loader... i.e. no miniloader
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naobsd>
haha, 1st level u-boot booted, but unusable at all ;)
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naobsd>
I need a needle to enforce mask rom mode!
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